CentOS

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Mail Server Setup With Exim, MySQL, Cyrus-Imapd, Horde Webmail On Centos 5.1

Mail Server Setup With Exim, MySQL, Cyrus-Imapd, Horde Webmail On Centos 5.1

This how to describes the installation and configuration of a mail system on Centos 5.1 with selinux enabled for enhanced security. This system will be able to service HTTP, HTTPS, SMTP, TLS, SMTP-AUTH, IMAP, POP3 clients and is virtual enabled allowing more than one domain to be served from the system.

How To Install suPHP On Various Linux Distributions For Use With ISPConfig (2.2.20 And Above)

How To Install suPHP On Various Linux Distributions For Use With ISPConfig (2.2.20 And Above)

Starting with version 2.2.20, ISPConfig has improved support for suPHP. This article explains how to install suPHP on various distributions supported by ISPConfig. (If you have used suPHP with previous ISPConfig versions, your installation will still work.)

How To Install mod_ruby On Various Linux Distributions For Use With ISPConfig (2.2.20 And Above)

How To Install mod_ruby On Various Linux Distributions For Use With ISPConfig (2.2.20 And Above)

Starting with version 2.2.20, ISPConfig has built-in support for Ruby. Instead of using CGI/FastCGI, ISPConfig depends on mod_ruby being available in the server's Apache. This article explains how to install mod_ruby on various distributions supported by ISPConfig.

How To Implement Domainkeys In Postfix Using dk-milter

How To Implement Domainkeys In Postfix Using dk-milter

Domainkeys is "DomainKeys is a method of e-mail authentication. Unlike some other methods, it offers almost end-to-end integrity from a signing to a verifying Mail Transfer Agent (MTA). In most cases the signing MTA acts on behalf of the sender, and the verifying MTA on behalf of the receiver. DomainKeys is specified in Historic RFC 4870, which is obsoleted by Standards Track RFC 4871, DomainKeys Identified Mail (DKIM) Signatures." according to the wikipedia. So why a how to on it when there is DKIM ? Well domainkeys is still actively being used and is more widely deployed than DKIM, the developer Yahoo still uses it to sign and verify mail although they are contributers to the DKIM standard.

Set Up Postfix DKIM With dkim-milter

Set Up Postfix DKIM With dkim-milter

DKIM is an authentication framework which stores public-keys in DNS and digitally signs emails on a domain basis. It was created as a result of merging Yahoo's domainkeys and Cisco's Identified Internet mail specification. It is defined in RFC 4871.

Mailscanner/Exim Gateway With Communigate PRO Guide

Mailscanner/Exim Gateway With Communigate PRO Guide

In this tutorial we will be installing and setting up Mailscanner as a mail firewall in front of a Communigate pro cluster. This tutorial has been written for the CENTOS 5.x Linux distro but am sure it can be used for any other Linux based system with little modifications. The system will run with SELinux in enforcing mode.

CentOS 5 - Home Gateway Firewall With DHCP Server For Connection Sharing

CentOS 5 - Home Gateway Firewall With DHCP Server For Connection Sharing

If you're trying to set up a home network, you probably want to set up a permiter facing computer connected to your DSL/Cable modem, and then put all of your computers behind that firewall box to keep them safe. This tutorial will show you how to use a single external connection on the gateway computer (using Iptables firewall), and a second internal connection on the same box so you can connect the computers on the inside of your home/office to it.

CentOS 4.6 Server Setup: LAMP, Email, DNS, FTP, ISPConfig (a.k.a. The Perfect Server)

CentOS 4.6 Server Setup: LAMP, Email, DNS, FTP, ISPConfig (a.k.a. The Perfect Server)

This tutorial shows how to set up a CentOS 4.6 based server that offers all services needed by ISPs and web hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 32-bit version of CentOS 4.6, but should apply to the 64-bit version with very little modifications as well.

Sample Configuration of DRBD On CentOS 4.5

Sample Configuration of DRBD On CentOS 4.5

DRBD is an abbreviation of Distributed Replicated Block Device. DRBD is a block device which is designed to build high-availability clusters. This is done by mirroring a whole block device via (a dedicated) network. You could see it as a network RAID1.

How To Configure ISP Mail Server With Virtual Users/Domain On Centos 4.5 Using Postfix, Dovecot, MySQL, phpMyAdmin, TLS/SSL

How To Configure ISP Mail Server With Virtual Users/Domain On  Centos 4.5 Using Postfix, Dovecot, MySQL, phpMyAdmin, TLS/SSL

This tutorial describes how to set up a mail server where Postfix is the SMTP service, and Dovecot provides IMAP and POP services. The users are virtual and user information is stored in a MySQL database.

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